Add the check for iommufd_ictx,If vdpa don't have the iommufd_ictx
then will use the Legacy iommu domain pathway

Signed-off-by: Cindy Lu <redacted>
---
 drivers/vhost/vdpa.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 91da012084e9..8d1ad89d4671 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c

@@ -981,6 +981,10 @@ static int vhost_vdpa_map(struct vhost_vdpa *v, struct vhost_iotlb *iotlb,
 	} else if (ops->set_map) {
 		if (!v->in_batch)
 			r = ops->set_map(vdpa, asid, iotlb);
+	} else if (!vdpa->iommufd_ictx) {
+		/* Legacy iommu domain pathway without IOMMUFD */
+		r = iommu_map(v->domain, iova, pa, size,
+			      perm_to_iommu_flags(perm));
 	} else {
 		r = iommu_map(v->domain, iova, pa, size,
 			      perm_to_iommu_flags(perm));